Illuminance Conversions: Lux to Lumen per Square Inch

What is Lux (lx)

Lux (lx) is a unit of measure for illuminance, which quantifies the amount of light that falls on a surface. It is defined as one lumen per square meter.

What is Lumen per Square Inch (lm/in²)

Lumen per Square Inch (lm/in²) is a different unit to measure illuminance, specifically in terms of light intensity per square inch.

Conversion Formulas

To convert from Lux to Lumen per Square Inch, you can use the following formula:

Lumen per Square Inch (lm/in²)=Lux (lx)×0.00064516

Conversely, to convert from Lumen per Square Inch to Lux, you can use the formula:

Lux (lx)=Lumen per Square Inch (lm/in²)×1550.003

Examples

• 3 Lux (lx) is equal to 0.00193548 Lumen per Square Inch (lm/in²).
• 12 Lux (lx) is equal to 0.00774192 Lumen per Square Inch (lm/in²).
• 14 Lux (lx) is equal to 0.00903224 Lumen per Square Inch (lm/in²).

Use these conversions to accurately measure illuminance whether you are working with Lux or Lumen per Square Inch.